Powertrain Control Module Connector Terminal Identification (3.4L - ALERO & Grand Am)

POWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATION (3.4L - ALERO & GRAND AM)⁽¹⁾

Connector

Terminal No.

Wire Color

Function

WHT/BLK

Transmission Fluid Temperature Sensor Ground

2 & 3

.....

Not Used

LT GRN

1-2 Shift Solenoid Valve Control

DK BLU

Cooling Fan High Speed Control

DK GRN

Cooling Fan Low Speed Control

BRN/WHT

Camshaft Position Sensor Signal

PPL/WHT

Crankshaft Position 3x Reference High

LT BLU/BLK

Crankshaft Position 24x Sensor Signal

BRN

Manifold Absolute Pressure Sensor 5-Volt Reference "A"

11 & 12

.....

Not Used

ORG/BLK

Manifold Absolute Pressure/Engine Coolant Temperature Sensor Ground

14 & 15

.....

Not Used

BLK/WHT

Powertrain Control Module Ground

BLK

Intake Air Temperature Sensor Ground

.....

Not Used

PPL

Ignition Positive Voltage (RUN/ACC/START)

ORG

Battery Positive Voltage

.....

Not Used

PNK

Transmission Fluid Pressure Switch "A"

23-27

.....

Not Used

TAN/WHT

Heated Oxygen Sensor No. 2 Low

TAN

Heated Oxygen Sensor No. 1 Low

PPL

Torque Converter Clutch Brake Switch Input

BLK

EGR Pintle Position Sensor Ground

GRY

EGR Valve Control

DK BLU

Knock Sensor Signal

34-37

.....

Not Used

LT GRN/WHT

Idle Air Control Valve "B" High

39-42

.....

Not Used

BLK

Fuel Injector No. 1 Control Circuit

YEL/BLK

2-3 Shift Solenoid Valve Control

PNK/BLK

AIR Valve Control (California Emissions)

PNK/BLK

Fuel Injector No. 3 Control Circuit

LT GRN/BLK

Fuel Injector No. 2 Control Circuit

RED/BLK

Crankshaft Position 3x Reference Low

49-52

.....

Not Used

TAN/BLK

By-Pass Valve Control

WHT

Ignition Control

DK GRN/WHT

Vehicle Speed Signal Output

BLK/WHT

Powertrain Control Module Ground

BLK/WHT

Powertrain Control Module Ground

PPL

Serial Data (Class 2)

.....

Not Used

BLK/WHT

Powertrain Control Module Ground

BLK

Throttle Position Sensor Ground

DK BLU/WHT

Transmission Input Shaft Speed Low

RED/BLK

Transmission Input Shaft Speed High

YEL

Vehicle Speed Sensor High

PPL

Vehicle Speed Sensor Low

66 & 67

.....

Not Used

YEL

Transaxle Range Switch "B"

YEL

Mass Airflow Sensor Signal

70 & 71

.....

Not Used

DK GRN

Cruise Control Disable/Inhibit Control

BLK/WHT

Fuel Injector No. 5 Control Circuit

74 & 75

.....

Not Used

DK GRN/WHT

EVAP Canister Purge Valve Control

77 & 78

.....

Not Used

YEL/BLK

Fuel Injector No. 6 Control Circuit

BLK

A/C Refrigerant Pressure Sensor Ground

.....

Not Used

WHT

EVAP Canister Vent Valve Solenoid Control

DK GRN/WHT

Fuel Pump Relay Control

RED

EGR Valve Ignition Positive Voltage

BRN/WHT

Malfunction Indicator Light Control

.....

Not Used

LT BLU/WHT

Idle Air Control Valve "A" High

8 & 9

.....

Not Used

PPL

Heated Oxygen Sensor No. 1 Signal

PPL/WHT

Heated Oxygen Sensor No. 2 Signal

12-15

.....

Not Used

WHT

Transaxle Range Switch "P"

RED

Transmission Fluid Pressure Switch "C"

BLK/WHT

Transaxle Range Switch "A"

TAN/BLK

Engine Oil Pressure Switch Input

20-23

.....

Not Used

PNK

Ignition Positive Voltage (RUN/Bulb Test/START)

LT GRN

Manifold Absolute Pressure Sensor Signal

YEL

Engine Coolant Temperature Sensor Signal

RED/BLK

A/C Refrigerant Pressure Sensor Signal

BRN

EGR Pintle Position Signal

GRY

Generator Terminal "F" Monitor

BRN/WHT

EGR Valve 5-Volt Reference

.....

Not Used

GRY

Fuel Tank Pressure Sensor 5-Volt Reference

GRY/BLK

Throttle Position Sensor 5-Volt Reference

GRY

A/C Refrigerant Pressure Sensor 5-Volt Reference

BLK

Fuel Tank Pressure Sensor Ground

36-38

.....

Not Used

DK GRN/WHT

A/C Compressor Clutch Relay Control

40 & 41

.....

Not Used

LT BLU/BLK

Fuel Injector No. 4 Control Circuit

.....

Not Used

LT BLU/BLK

Idle Air Control Valve "A" Low

RED/BLK

Pressure Control Solenoid High

LT BLU/WHT

Pressure Control Solenoid Low

47 & 48

.....

Not Used

LT GRN/BLK

Idle Air Control Valve "B" Low

TAN

Intake Air Temperature Sensor

51-54

.....

Not Used

DK GRN

Fuel Tank Pressure Sensor Signal

GRY

Transaxle Range Switch "C"

DK BLU

Transmission Fluid Pressure Switch "B"

BRN

Engine Oil Level Switch Input

LT BLU/BLK

Cruise Control Status

.....

Not Used

RED

Generator Terminal "L" Control

.....

Not Used

YEL

Torque Converter Clutch Brake Switch Input

64 & 65

.....

Not Used

DK BLU

Throttle Position Sensor Signal

.....

Not Used

YEL/BLK

Transaxle Fluid Temperature Sensor Signal

PPL

Fuel Level Sensor Input

RED/WHT

Crankshaft Position 24x Sensor Battery Positive Voltage

.....

Not Used

RED/WHT

Camshaft Position Sensor Battery Positive Voltage

BLK

Camshaft Position Sensor Ground

BLK

Crankshaft Position 24x Sensor Ground

BRN

AIR Relay Control (California Emissions)

76 & 77

.....

Not Used

BRN

Torque Converter Clutch PWM Solenoid Control

79 & 80

.....

Not Used

⁽¹⁾	See Figure.